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block: remove AioContext locking

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This is the big patch that removes
aio_context_acquire()/aio_context_release() from the block layer and
affected block layer users.

There isn't a clean way to split this patch and the reviewers are likely
the same group of people, so I decided to do it in one patch.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-ID: <20231205182011.1976568-7-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-12-05 13:20:03 -05:00 • committed by Kevin Wolf
parent 6bc30f1949
commit b49f4755c7
41 changed files with 104 additions and 1169 deletions
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10
qemu-io.c
View file

@ -414,15 +414,7 @@ static void prep_fetchline(void *opaque)
static int do_qemuio_command(const char *cmd)
{
int ret;
AioContext *ctx =
qemuio_blk ? blk_get_aio_context(qemuio_blk) : qemu_get_aio_context();
aio_context_acquire(ctx);
ret = qemuio_command(qemuio_blk, cmd);
aio_context_release(ctx);
return ret;
return qemuio_command(qemuio_blk, cmd);
}
static int command_loop(void)